CAT EYE - Orbit 2 Reflector Light Kit for Bike Wheels BE SEEN: The Orbit 2 reflectors provide excellent side visibility that headlights and taillights alone don't cover. TWO MODES: Switch between constant and flashing light modes. GO THE DISTANCE: The Orbit 2 won't stop until you do, providing up to 50 hours of battery life. SECURE AND GO: The Orbit reflectors easily install to 24-29" wheels with 28-32 spokes. ALL WEATHER PROTECTION: Don't let a little rain stop you from riding. Your CatEye reflector lights are approved to work in all weather conditions.